{"id":3712,"date":"2017-02-15T11:29:26","date_gmt":"2017-02-15T10:29:26","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=3712"},"modified":"2018-04-15T12:18:35","modified_gmt":"2018-04-15T10:18:35","slug":"comptavoltes","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/programes\/robotica\/comptavoltes\/","title":{"rendered":"Comptavoltes"},"content":{"rendered":"<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/d1B7dOPK5MM\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<p><b>Material:<\/b><br \/>\n1 tarja Arduino UNO, 1 sensor ultrasons HC-SR04, 1 display led de 7 elements, 13 cables Dupont, 1 resist\u00e8ncia de 220\u03a9, 1 breadboard.<\/p>\n<p><b>Descripci\u00f3:<\/b><br \/>\nComptador d&#8217;un circuit que incrementa el valor del display led cada cop que el sensor d&#8217;ultrasons detecta pres\u00e8ncia a 15cm de dist\u00e0ncia. El sensor HC-SR04 mesura l&#8217;anada i la tornada del so, per la qual cosa caldr\u00e0 dividir el valor capturat per 2. Tamb\u00e9 mesura en microsegons (1s = 1.000.000\u00b5s) per la qual cosa, basant-nos en la velocitat del so de 434,2mt per segon, resulta que tenim 43.420cm per segon, la qual cosa equival a 29,13cm per microsegon.<\/p>\n<p><b>Esquema:<\/b><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3724\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/Comptador-petit.jpg\" alt=\"comptador-petit\" width=\"500\" height=\"611\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/Comptador-petit.jpg 500w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/Comptador-petit-245x300.jpg 245w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p><b>Programaci\u00f3 amb Arduino IDE:<\/b><br \/>\n<script src=\"https:\/\/gist.github.com\/xgsxgs\/586fc149ec1dc0ed95ff906038c23f5a.js\"><\/script><\/p>\n<p><b>Programaci\u00f3 amb mBlock:<\/b><br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-mblock_imatge.jpg\" alt=\"robotica-comptavoltes-mblock_imatge\" width=\"600\" height=\"1164\" class=\"alignnone size-full wp-image-3868\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-mblock_imatge.jpg 600w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-mblock_imatge-155x300.jpg 155w, https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-mblock_imatge-528x1024.jpg 528w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><b>Desc\u00e0rregues:<\/b><br \/>\n<a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-sketch_arduino_ide.zip\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2773 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2016\/12\/boto_descarregues_arduino.jpg\" width=\"200\" height=\"47\" \/><\/a><a href=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2017\/02\/robotica-comptavoltes-mblock.zip\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2774 alignleft\" src=\"http:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2016\/12\/boto_descarregues_groc.jpg\" width=\"200\" height=\"47\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comptavoltes d&#8217;un circuit<\/p>\n","protected":false},"author":1,"featured_media":3715,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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